AutoCAD plugin Built for 2D HVAC

HVAC drafting,
without the drag.

Route ducts, place fittings and components, label your system and prepare a BOQ—without leaving AutoCAD.

View pricing → Explore workflow

3Duct shapes

5HVAC services

2022–27AutoCAD

2Duct running in Autodesk AutoCAD 2026 with controls for duct layers, dimensions, fittings, components, annotations, reports and tools.

Draw

Continuous rectangular, circular and flexible duct routing with live preview.

Connect

Elbows, branches, transitions and components that align to your system.

Document

Consistent labels, legends, connection checks and drawing metadata.

Quantify

Generate duct and component schedules, then export to CSV or Excel.

One connected workflow

From first line
to final quantity.

Every 2Duct object carries the information needed for the next step. Draw once, then keep the data useful throughout the project.

STEP 01

Choose the system

Set Supply, Return, Extract, Existing or Fresh. The right layer and color follow automatically.

STEP 02

Route and size

Pick the duct shape, enter dimensions and draw continuously from point to point.

STEP 03

Fit and connect

Add branches, elbows, transitions, grilles, diffusers, dampers and equipment.

STEP 04

Report the result

Label the system, review connections and export the full bill of quantities.

Native to the drawing

Your DWG stays
the source of truth.

Dimensions, service, shape and component information stay attached to the entities you draw. Reopen the file and the settings are still there.

LayersConfigurable service names and colors

GeometryRectangular, circular and flexible

ComponentsGrilles, diffusers, dampers and equipment

OutputDWG schedules, CSV and XLSX

Compatibility

Ready for the AutoCAD version you use.

AUTOCAD2022–2024.NET Framework 4.8

AUTOCAD2025.NET 8

AUTOCAD2026.1.2+.NET 10

AUTOCAD2027.NET 10

✓ The installer selects the compatible build automatically.

Start with 2Duct

Spend less time drafting.
Keep more time for engineering.

See plans and pricing →

Questions about 2Duct?

Talk to us.

For product, licensing and purchase questions, email info@2duct.com.

HVAC drafting,without the drag.